/*
 * Copyright (C) 2021 The Chinese Software International Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.azoft.carousellayoutmanager;

/**
 * 点击事件监听接口
 *
 * @since 2021-03-25
 */
public class DefaultChildSelectionListener extends CarouselChildSelectionListener {
    private final OnCenterItemClickListener mOnCenterItemClickListener;

    private DefaultChildSelectionListener(final OnCenterItemClickListener onCenterItemClickListener,
                                          final CarouselLayoutManager carouselLayoutManager) {
        super(carouselLayoutManager);
        mOnCenterItemClickListener = onCenterItemClickListener;
    }

    @Override
    protected void onCenterItemClicked(int position) {
        if (mOnCenterItemClickListener != null) {
            mOnCenterItemClickListener.onCenterItemClicked(position);
        }
    }

    @Override
    protected void onBackItemClicked(CarouselLayoutManager carouselLayoutManager, int position) {
        carouselLayoutManager.sendRunnable(position, true);
    }

    /**
     * 初始话中心item的点击事件
     *
     * @param onCenterItemClickListener 点击回调
     * @param carouselLayoutManager 布局管理器的实例
     * @return 回调的实例
     */
    public static DefaultChildSelectionListener initCenterItemListener(
            final OnCenterItemClickListener onCenterItemClickListener,
            final CarouselLayoutManager carouselLayoutManager) {
        return new DefaultChildSelectionListener(onCenterItemClickListener, carouselLayoutManager);
    }

    /**
     * 中心位置的点击回调接口
     */
    public interface OnCenterItemClickListener {
        /**
         * 中心位置被选中事件
         *
         * @param position 中心下标
         */
        void onCenterItemClicked(int position);
    }
}